1) Classification of Karst Rock
岩溶围岩分级
3) surrounding rock classification
围岩分级
1.
Stduy on index selection of surrounding rock classification for cohesive soil tunnel;
黏质土隧道围岩分级指标的选取研究
2.
Value limits of clayey surrounding rock classification indices;
黏质土围岩分级指标的界限值确定
3.
Based on the principles of distance discriminating analysis(DDA),the distance discriminating analysis model for tunnel surrounding rock classification is established in this paper.
将距离判别分析方法应用于隧道围岩分级问题中,建立隧道围岩分级的距离判别分析模型,选用岩石等级、风化程度、岩体弹性纵波波速、岩体结构、地质构造影响程度、节理裂隙发育程度和地下水情况7项指标作为距离判别分析模型的判别因子,以工程岩体实测数据作为学习样本进行训练,建立相应判别函数对待判样本进行分级,并利用回代估计方法进行检验。
5) rocky surrounding rock sub-classification
岩质围岩亚级分级
1.
The research results show:The indices of rocky surrounding rock sub-classification during construction are rock hardness degree,rock mass integrity condition and ground water condition.
考虑到目前采用的属性指标的实际情况,特采用数量化理论对施工阶段岩质围岩亚级分级进行定量评定。
6) Rock mass classification system
围岩分类(岩体分级)
补充资料：岩溶
岩溶
karst;solution cavern of rock
yonrong岩溶(karst;solution cavern of roek)喀斯特。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条